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Author SHA1 Message Date
Maciej W. Rozycki
a5fc9c0bbe Use physical addresses at the interface level, letting drivers remap 
them as appropriate.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:35 +01:00
Maciej W. Rozycki
7d7ee22121 Prevent 64-bit constants from being cropped to 32 bits when used in C code. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:34 +01:00
Maciej W. Rozycki
2c93e12cfe Avoid tlbw* hazards for the R4600/R4700/R5000. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:34 +01:00
Maciej W. Rozycki
c3455b0efc Inline ioremap() calls for constant addresses that map to KSEG1. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:34 +01:00
Ralf Baechle
c134a5ecdb Avoid defining variables in the middle of a block which breaks older 
compilers.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:33 +01:00
Ralf Baechle
7222424e2e More .set to keep 32-bit processors happy. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:33 +01:00
Maciej W. Rozycki
4c0a2d4275 Fix the diagnostic dump for the XTLB refill handler. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:32 +01:00
Maciej W. Rozycki
41986a6e7e Fix a diagnostic message. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:32 +01:00
Ralf Baechle
362b1d546d Conversion to plat_setup() for TX4927 also. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:32 +01:00
Ralf Baechle
01d42abdf3 Using get_nasid() to find the console node will blow up nicely if 
called on a another node than the console node, so use the master_nasid
instead and in the unlikely case that one isn't initialized yet, fall
back to get_nasid().

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:31 +01:00
Maciej W. Rozycki
c4559f67b7 Always use ".set mips3" rather than select between "mips2" or "mips3" 
for assembling ll/sc sequences to avoid problems with 64-bit
configurations.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:31 +01:00
Maciej W. Rozycki
69c75fb458 Actual handlers for bus errors for Pmax and 3min. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/dec/kn01-berr.c b/arch/mips/dec/kn01-berr.c
new file mode 100644
 2005-10-29 19:31:30 +01:00
Maciej W. Rozycki
64dac503e8 System-specific handling of bus errors for DECstation variations 
supporting parity errors only for memory (Pmax/3min/Maxine).
Fixes for resources decoded by the KN04/KN05 MB ASIC.  Additional
clean-ups for the ECC handler.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:30 +01:00
Maciej W. Rozycki
3b2396d972 Use correct names for bits in the R3k cp0.status register. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:29 +01:00
Ralf Baechle
e20368d5df Get the thing to compile again ... 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:28 +01:00
Maciej W. Rozycki
c6ad7b7d3c Use macros for the RM7k cp0.config bits instead of magic numbers. 
Minor clean-ups.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:28 +01:00
Maciej W. Rozycki
8a185d14b6 Fix types for firmware arguments. Don't define unneeded messages. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:27 +01:00
Maciej W. Rozycki
2e2849670a Remove left-over unused bits. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:27 +01:00
Maciej W. Rozycki
260c96738c Mark __die() "noreturn" for real. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:26 +01:00
Maciej W. Rozycki
778220f7c4 Fix function types to ones appropriate for initcalls. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:24 +01:00
Maciej W. Rozycki
a76f9fe122 GCC 4.0.0 broke `attribute(("alias"))' -- resort to an assembly variant. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:24 +01:00
Maciej W. Rozycki
3bd4c902da Deal with the bloody KSEG vs CKSEG horror... 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:23 +01:00
Maciej W. Rozycki
902d21d531 There is NO port I/O space on the DECstation. Minor clean-ups. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:23 +01:00
Ralf Baechle
02416dcf5a Redo RM9000 workaround which along with other DSP ASE changes was 
causing some headache for debuggers knowing about signal frames.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:23 +01:00
Maciej W. Rozycki
aac8aa7717 Enable a suitable ISA for the assembler around ll/sc so that code 
builds even for processors that don't support the instructions.
Plus minor formatting fixes.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:22 +01:00
Maciej W. Rozycki
fded2e508a Optimize R3k TLB Load/Store/Modified handlers, by scheduling 
delay slots properly and avoiding an unnecessary jump to a jump.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:22 +01:00
Maciej W. Rozycki
d925c262dd Fill R3k load delay slots properly. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:21 +01:00
Maciej W. Rozycki
9678e28b1a Only dump instructions actually emitted. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:21 +01:00
Maciej W. Rozycki
15b6e09b66 dec_esp: Use physical addresses 
These should really be addresses obtained with ioremap() or some
bus-specific backend, but for now...

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:20 +01:00
Maciej W. Rozycki
68e4a86c80 This interrupt is *always* handled -- MIPS_BE_DISCARD just means 
no further action wanted.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:20 +01:00
Maciej W. Rozycki
a93500037e Fix dependencies for DECstation framebuffers. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:19 +01:00
Ralf Baechle
478489dd2c Remove dead code which was causing warnings. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:19 +01:00
Maciej W. Rozycki
d5b6f1db5d For MIPS32/MIPS64 cp0.config.mt == 1 implies a standard (R4k-style) 
TLB, so no need to set it separately for each implementation.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:19 +01:00
Steven J. Hill
81731f7997 The DbAu1500 board also support big endian. Gee, imagine that. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:18 +01:00
Ralf Baechle
ac130ac494 Fix build with CONFIG_PRINTK disabled. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:18 +01:00
Ralf Baechle
e50c0a8fa6 Support the MIPS32 / MIPS64 DSP ASE. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:17 +01:00
Ralf Baechle
10f650db1b 64-bit fixes for Alchemy code ;) 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:17 +01:00
Ralf Baechle
ffd099bd33 Fix build for CONFIG_BUG=n. Yes, bugs are now a compile time option ;-) 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:17 +01:00
Ralf Baechle
149f60b30c When building for Atlas, Malta or SEAD convert the kernel to srecs by 
default.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:16 +01:00
Ralf Baechle
f8280c8d3d Fix tasteless #ifdef mess in audit_arch(), minor cleanups. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:16 +01:00
Ralf Baechle
fdb551a4c5 Bugs are now a configuration option. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:15 +01:00
Ralf Baechle
629c83f89b On MIPS the struct sigev preamble is only 8 bytes. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:15 +01:00
Ralf Baechle
4a99d1e25b Now that a struct is the only member left in struct 
mips_fpu_emulator_stats cleanup that unnecessary nesting of structs.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:14 +01:00
Ralf Baechle
baee502ce2 Get rid of the eir struct mips_fpu_emulator_private member. It's 
never initialized been initialized anywhere, just saved to and
restored from signal frames so nonsense anyway.  As neat side effect
of being shared between all processors it was also abusable as a
nice covert channel between processes.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:14 +01:00
Ralf Baechle
1d74f6bc85 __compute_return_epc() uses CFC1 instruction which might result in a 
coprocessor unusable exception since the process can lose its fpu
context by preemption.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:13 +01:00
Maciej W. Rozycki
d547c5cc21 sys_nfsservctl() needs translation. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:13 +01:00
Ralf Baechle
b382fe8483 No point in checking cpu_has_tlb before we've computed the CPU options. 
So for now we just unconditionally set the option - Linux wouldn't
work without a TLB anyway.
    
Setting MIPS_CPU_4KTLB was missing for Alchemy and Sandcraft, add that
back.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:13 +01:00
Ralf Baechle
4194318c39 Cleanup decoding of MIPSxx config registers. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:12 +01:00
Ralf Baechle
cd21dfcfbb Fix preemption and SMP problems in the FP emulator code. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:12 +01:00
Thiemo Seufer
63b2d2f4d2 Handle _PAGE_DIRTY correctly for CONFIG_64BIT_PHYS_ADDR on 32bit CPUs. 
Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:11 +01:00